Extra check and comment

UI/DriverManagerScreen.cpp

@@ -200,6 +200,9 @@ UI::EventReturn DriverManagerScreen::OnCustomDriverChange(UI::EventParams &e) {
 }
 
 UI::EventReturn DriverManagerScreen::OnCustomDriverUninstall(UI::EventParams &e) {
+	if (e.s.empty()) {
+		return UI::EVENT_DONE;
+	}
 	INFO_LOG(G3D, "Uninstalling driver: %s", e.s.c_str());
 
 	Path folder = GetDriverPath() / e.s;

UI/MemStickScreen.cpp

@@ -753,6 +753,7 @@ UI::EventReturn ConfirmMemstickMoveScreen::OnConfirm(UI::EventParams &params) {
 				}
 
 				// Delete all the old, now hopefully empty, directories.
+				// Hopefully DeleteDir actually fails if it contains a file...
 				for (auto &dirSuffix : directorySuffixesToCreate) {
 					Path dir = moveSrc / dirSuffix;
 					if (dryRun) {